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Episode Clips

The Rocket Equation

Franklin Chang-Diaz demonstrates the energy required to launch a rocket into space.

The Ultimate Rocket Fuel

Jim Al-Khalili demonstrates why hydrogen is the ultimate rocket fuel.

More Episodes

The Smartphone

Dial in to the fascinating history of the smartphone.

The Car

Go for a ride through the 9,000-year history of the ultimate freedom machine: the car.

The Robot

Check out the history of robots and learn how they are becoming a part of everyday life.

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